This quick video shows how to remove the wood from the gas tube on an AK47.

It’s a twisting motion that pivots the round wood handguard from the gas tube with no tools needed. Sometimes this is so tight you’ll need to hold the gas tube in a vise and twist the wood handguard with both hands

Just a quick clip showing how to field strip an AK47 underfolder.
Remove the Mag and Once Empty, Open the Underfolding Stock Remove the Receiver cover Remove the Recoil Spring Remove the Bolt Carrier and Bolt (Safety already removed) Remove the Trigger pin, trigger You’re left with a receiver, stock and front end